This set of maps presents the proportional distribution of elderly population in Hong Kong by District Council District between 1997 and 2006. Here "elderly" is defined by an age of 65 or above. The elderly proportion is expressed a percentage of the district population, using graduated symbols in the map. Data for the maps were obtained from the Census and Statistics Department, Hong Kong Special Administrative Region Government. Over the 10-year period, the elderly population has increased more significantly in Hong Kong Island and Kowloon peninsular, compared to the New territories. During the period, The elderly proportion has remained relatively lower in Tuen Mun and Sai Kung.